Norton Atlas Nomad (2019) vs Yamaha XVS 650 Drag Star Classic (1998-02) vs KTM 620 Duke (1997) vs KTM 690 SMC (2008-09) vs KTM 300 EXC Enduro (2003-04) vs KTM 690 SMC R (2019) vs Kawasaki KL 250 (1976-77)

Comparison technical specifications

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Make:	Norton	Yamaha	KTM	KTM	KTM	KTM	Kawasaki
Model:	Atlas Nomad	XVS 650 Drag Star Classic	620 Duke	690 SMC	300 EXC Enduro	690 SMC R	KL 250
Years:	2019	1998-02	1997	2008-09	2003-04	2019	1976-77
Engine:	Four stroke, parallel twin. 270 degree firing order. Chain driven DOHC, with idler gear.	Four stroke, 75°V-twin cylinder, SOHC, 2 valve per cylinder	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, single Cylinder. SOHC, 4 Valve	Two stroke, single cylinder	Single cylinder, 4-stroke, SOHC, 4-valve	Four stroke single cylinder. SOHC, 2 Valve
Capacity:	650 cc / 39.6 cu-in	649 cc / 39.6 cu-in	609 cc / 37.2 cu in	653.7 cc / 39.8 cu-in	293 cc / 17.9 cu in	690 cc / 42.1 cu in	246 cc / 15.0 cu-in
Bore x Stroke:	82 x 61.5mm	81 x 63 mm	101 x 76 mm	102 x 80 mm	71.1 x 71.1 mm	105 x 80 mm	70 х 64 mm
Compression Ratio:	11.5:1	9.0:1	10.4:1	11.7:1	11.0:1	12.7:1	8.9:1
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Liquid Cooled	Liquid cooled	Liquid cooled	Air cooled
Induction:	Electronic fuel injection system. 4 fuel injectors. Full drive-by-wire system.	28mm Mikuni downdraft-type carburetor	Dell'Orto PHM 40 SD carburetor	Generation Keihin EMS with EPT (Electric Power Throttle)	Keihin PWK36 S AG carburetor	Keihin EFI (throttle body 50 mm)	Carburetor
Starting:	Electric	Electric	Kick	Electric	Kick	Electric	Kick
Transmission:		5 Speed	5 Speed	6 Speed	5 Speed	6-Speed	5 Speed
Final Drive:	Chain	Shaft	Chain	Chain X-ring chain 5/8 x 1/4"	Chain, Regina O-ring	Chain, X-Ring 5/8 × 1/4 in	Chain
Front Suspension:	50mm diameter Roadholder USD forks. Preload, compression and rebound adjustable	Telescopic fork	White Power 4054 Top Adjuster	WP 48mm Upside-down forks	WP 48 mm upside down fork and shock	WP USD XPLOR 48 forks	Telescopic forks
Rear Suspension:	Roadholder monoshock with rising rate linkage and piggyback reservoir. Adjustable preload.	Swingarm Monocross	White Power monoshock 4681 BAVP Single Adjuster	WP monoshock	Fully adjustable WP-PDS mono-shock	WP shock absorber with Pro-Lever linkage	Dual shocks
Front Brakes:	2 x 320mm full floating Brembo discs. Radially mounted twin Brembo monoblock callipers with ABS. Brembo master cylinder.	Single 298mm disc 2 piston calipers	Single 320 mm disc, 4 piston caliper	Single 320mm disc	Single260 mm disc, 2 piston caliper	Single 320mm disc, Brembo 4 piston floating caliper	Drum
Rear Brakes:	Single 245mm Brembo disc. Brembo twin piston rear calliper with ABS. Brembo master cylinder.	200mm drum	Single 220 mm disc, 1 piston caliper	Single 240mm disc	Single 220 mm disc, 1 piston caliper	Single 240 mm disc, Brembo single piston floating caliper	Drum
Front Tyre:	110/80 R18 Avon Trekrider tyre	130/90-18	120/70 - 17 Pirelli MT60	120/70 -ZR17	90/90 - 21, Michelin MP11	120/70 ZR 17	3.00-21
Rear Tyre:	180/55 R17 Avon Trekrider tyre	170/80-15	160/60-17 Pirelli MT60	160/60 -ZR17	140/80 - 18	160/60 ZR 17	4.00-17
Dry Weight:	178 kg / 392.4 lbs	229 kg / 504 lbs	145 kg / 320 lbs	139.5 kg / 305.4 lbs	103 kg / 227 lbs	147 kg / 324 lbs	140 kg / 308 . lbs
Fuel Capacity:	15 Litres / 3.9 US gal	16 Litres / 4.2 US gal	10.3 Litres / 2.7 US gal / 2.3 Imp gal	12 Litres / 3.1 gal	8.5 L / 2.2 US gal / 1.9 Imp gal	13.5 Litres / 3.5 US gal	10 Litres / 2.6 US gal